sound/usb/usx2y/usbus428ctldefs.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *
   4  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
   5  */
   6
   7 enum E_IN84 {
   8         E_FADER_0 = 0,
   9         E_FADER_1,
  10         E_FADER_2,
  11         E_FADER_3,
  12         E_FADER_4,
  13         E_FADER_5,
  14         E_FADER_6,
  15         E_FADER_7,
  16         E_FADER_M,
  17         E_TRANSPORT,
  18         E_MODIFIER = 10,
  19         E_FILTER_SELECT,
  20         E_SELECT,
  21         E_MUTE,
  22
  23         E_SWITCH   = 15,
  24         E_WHEEL_GAIN,
  25         E_WHEEL_FREQ,
  26         E_WHEEL_Q,
  27         E_WHEEL_PAN,
  28         E_WHEEL    = 20
  29 };
  30
  31 #define T_RECORD   1
  32 #define T_PLAY     2
  33 #define T_STOP     4
  34 #define T_F_FWD    8
  35 #define T_REW   0x10
  36 #define T_SOLO  0x20
  37 #define T_REC   0x40
  38 #define T_NULL  0x80
  39
  40
  41 struct us428_ctls {
  42         unsigned char   fader[9];
  43         unsigned char   transport;
  44         unsigned char   modifier;
  45         unsigned char   filters_elect;
  46         unsigned char   select;
  47         unsigned char   mute;
  48         unsigned char   unknown;
  49         unsigned char   wswitch;
  50         unsigned char   wheel[5];
  51 };
  52
  53 struct us428_set_byte {
  54         unsigned char offset,
  55                 value;
  56 };
  57
  58 enum {
  59         ELT_VOLUME = 0,
  60         ELT_LIGHT
  61 };
  62
  63 struct usx2y_volume {
  64         unsigned char channel,
  65                 lh,
  66                 ll,
  67                 rh,
  68                 rl;
  69 };
  70
  71 struct us428_lights {
  72         struct us428_set_byte light[7];
  73 };
  74
  75 struct us428_p4out {
  76         char type;
  77         union {
  78                 struct usx2y_volume vol;
  79                 struct us428_lights lights;
  80         } val;
  81 };
  82
  83 #define N_US428_CTL_BUFS 16
  84 #define N_US428_P4OUT_BUFS 16
  85 struct us428ctls_sharedmem {
  86         struct us428_ctls       ctl_snapshot[N_US428_CTL_BUFS];
  87         int                     ctl_snapshot_differs_at[N_US428_CTL_BUFS];
  88         int                     ctl_snapshot_last, ctl_snapshot_red;
  89         struct us428_p4out      p4out[N_US428_P4OUT_BUFS];
  90         int                     p4out_last, p4out_sent;
  91 };
  92
  93 #define US428_SHAREDMEM_PAGES   PAGE_ALIGN(sizeof(struct us428ctls_sharedmem))